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A graph for estimating the number of saturated hydraulic conductivity measurements required in field studies is developed and described. The graph assumes hydraulic conductivity follows a log-normal distribution. Approximate confidence intervals (95%) around a geometric mean hydraulic conductivity can also be easily determined. Use of the graph does not require knowledge of statistics.
graph for estimating field-scale hydraulic conductivity sampling requirements
Buckland, G.D. 1988. GRAPH FOR ESTIMATING FIELD-SCALE HYDRAULIC CONDUCTIVITY SAMPLING REQUIREMENTS. Canadian Agricultural Engineering 30(2):323-324.
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